/**
 * Copyright 1999-2014 dangdang.com.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.redis.proxy.client.factory;

import com.esotericsoftware.kryo.Kryo;

import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedQueue;

/**
 *
 * @author zhanggaofeng
 */
public class PooledKryoFactory extends KryoFactory {

        private final Queue<Kryo> pool = new ConcurrentLinkedQueue<>();

        @Override
        public void returnKryo(Kryo kryo) {
                pool.offer(kryo);
        }

        @Override
        public void close() {
                pool.clear();
        }

        @Override
        public Kryo getKryo() {
                Kryo kryo = pool.poll();
                if (kryo == null) {
                        kryo = createKryo();
                }
                return kryo;
        }
}
